<template>
  <div class="tab-bar-item" @click="itemClick">
    <div v-if="!isActive"><slot name="item-icon"></slot></div>
    <div v-else><slot name="item-icon-active"></slot></div>    
    <div :style="activeStyle"><slot name="item-text"></slot></div>
  </div>
</template>

<script>

  export default {
    name: "TabBaritem",
    props:{
      link:String,
      activeColor:{
        type:String,
        default:"yellow"
      }
    },
    computed: {
      isActive(){
        return this.$route.path.indexOf(this.link) !== -1
      },
      activeStyle(){
        return this.isActive ? {color:this.activeColor} : {}
      }
    },
    methods:{
      itemClick(){
        this.$router.replace(this.link)
      }
    }
  }
</script>

<style scoped>
  .tab-bar-item {
    flex: 1;  /*平分*/
    text-align: center;
    height: 49px;
    font-size: 14px;
  }
  .tab-bar-item img{
    width: 24px;
    height: 24px;
    margin-top: 3px;
    vertical-align: middle;
  }
</style>